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PreprintCC BY 4.0arXiv

A parameter independent analysis of the QCD chiral phase transition and its universal critical behaviour

  • Jishnu Goswami
  • Frithjof Karsch
  • Sabarnya Mitra
  • Christian Schmidt
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Abstract

We make use of unique properties of scaling functions to estimate the chiral phase transition temperature and corresponding universal critical parameters of this phase transition directly from (2+1)-flavor QCD simulations with highly improved staggered fermions on lattices with temporal extent Nτ=8. Working with an improved chiral order parameter for quantifying chiral symmetry breaking, we analyze the finite-volume dependence of this observable for a wide range of lattice volumes and light quark masses, and quantitatively estimate the deviations from the expected universal scaling behaviour as a function of the light-to-strange quark mass ratio.

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Cite

BibTeXRIS
BibTeX
@misc{goswami2026parameter,
  title = {{A parameter independent analysis of the QCD chiral phase transition and its universal critical behaviour}},
  author = {Jishnu Goswami and Frithjof Karsch and Sabarnya Mitra and Christian Schmidt},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.36010},
  eprint = {2609.36010},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.36010},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - A parameter independent analysis of the QCD chiral phase transition and its universal critical behaviour
AU  - Jishnu Goswami
AU  - Frithjof Karsch
AU  - Sabarnya Mitra
AU  - Christian Schmidt
PY  - 2026
DA  - 2026/09/28
PB  - arXiv
DO  - 10.48550/arxiv.2609.36010
UR  - https://arxiv.org/abs/2609.36010
AB  - We make use of unique properties of scaling functions to estimate the chiral phase transition temperature and corresponding universal critical parameters of this phase transition directly from (2+1)-flavor QCD simulations with highly improved staggered fermions on lattices with temporal extent N_τ=8. Working with an improved chiral order parameter for quantifying chiral symmetry breaking, we analyze the finite-volume dependence of this observable for a wide range of lattice volumes and light quark masses, and quantitatively estimate the deviations from the expected universal scaling behaviour as a function of the light-to-strange quark mass ratio.
ER  -